Getting your eyes dilated can be inconvenient – dilation makes the eyes light sensitive which can make it difficult to read books or use phones and computers for a couple of hours.

So wouldn’t it be great to have another drop to reverse the effects of dilation?

On Dec. 31, 1990, dapiprazole, under the trade name Rev-Eyes, was approved by the FDA and thought to be the answer to all the post-dilation problems. It was marketed for treatment of medically-induced dilation by stimulating...

The tears that coat the surface of your eyes have both a liquid and a mucous layer to them. It is normal to have a small amount of mucus in your tear film. But that mucus can significantly increase when the eye gets irritated.

Some of the most common causes of irritation that can make the eye overproduce mucus are:

• Conjunctivitis, which could be caused by an allergy, bacteria, or virus
• Blepharitis, which is an inflammation of the eyelids
• Dry Eye Syndrome

When any of these...